package com.itheima.test02;

public class Test02 {

    public static void main(String[] args) {
        Integer i1 = new Integer(10);
        Integer i2 = new Integer("10");
        Integer i3 = Integer.valueOf(10);
        Integer i4 = Integer.valueOf("123");
        ///Integer i5 = Integer.valueOf("12345", 12345);
        System.out.println(i1);
        System.out.println(i2);
        System.out.println(i3);
        System.out.println(i4);
       //System.out.println(i5);
    }
}
